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Old 08-19-2019, 06:49 PM
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How to fix stripped plug threads

My DLE111 has stripped spark plug threads, plug will fall out after less than half turn. Better to buy a new cylinder head or try a helicoil? Or something else? Any help is appreciated.
Dave
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Old 08-19-2019, 06:55 PM
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Better do both. Iíd buy one while you can:
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Old 08-19-2019, 11:28 PM
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So they were stripped Dave? Sorry to hear that. Good seeing you at Jackson!
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Old 08-20-2019, 04:52 AM
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Helicoils are not that hard to put in,once in they last a life time.I always use red Loctite when installing them never had one pull out.Now you have a steel base thread for the plugs to screw into.But if you have the money and want to spend it buy new if you can.
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Old 08-20-2019, 07:42 AM
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Originally Posted by tobytorkn View Post
So they were stripped Dave? Sorry to hear that. Good seeing you at Jackson!
Yes, right cylinder badly stripped, plug would fall out on 1/2 turn. Was not told that when I bought it. I can tighten it but it would fall out again I am sure. Left cylinder looks clean but not sure why I got all the oil on outside cylinder head, donít see anything wrong.
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Old 08-20-2019, 07:43 AM
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Helicoils are not that hard to put in,once in they last a life time.I always use red Loctite when installing them never had one pull out.Now you have a steel base thread for the plugs to screw into.But if you have the money and want to spend it buy new if you can.
Can you tell me where you got them? I donít know of any sources.
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Old 08-20-2019, 07:45 AM
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Top of each cylinder near plug does not look pitted but it is not silver in color either. Should I be worried about that?
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Old 08-20-2019, 01:26 PM
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Try giving DLE http://www.dlengine.com/en/ an email with an explanation of what happened and see what they can do for you,,, might be worth a shot.


BV
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Old 08-20-2019, 02:32 PM
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Originally Posted by Schnell188 View Post
Can you tell me where you got them? I donít know of any sources.
Google:
M10x1.25 Helicoil kit
You have to get the kit, because the tap is specific to the Helicoil OD threads. It is about $35ish for the kit.
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Old 08-20-2019, 06:41 PM
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Originally Posted by ghoffman View Post
Google:
M10x1.25 Helicoil kit
You have to get the kit, because the tap is specific to the Helicoil OD threads. It is about $35ish for the kit.
Thx!
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Old 08-20-2019, 07:22 PM
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Quote:
Originally Posted by ghoffman View Post
Google:
M10x1.25 Helicoil kit
You have to get the kit, because the tap is specific to the Helicoil OD threads. It is about $35ish for the kit.
M10x1.0 mm....
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Old 08-20-2019, 09:35 PM
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My mistake, M10x1.0. Also, make sure the end of the Helicoil does not stick into the cylinder. It can act as a glow plug and cause pre-ignition.
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Old 08-20-2019, 10:29 PM
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M10x1.0 mm....
Thx!
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Old 08-20-2019, 10:30 PM
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My mistake, M10x1.0. Also, make sure the end of the Helicoil does not stick into the cylinder. It can act as a glow plug and cause pre-ignition.
Ok will do
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Old 08-21-2019, 04:30 AM
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I would not use a helicoil
I would tap and thread for 14mm plug and use a 14mm to 10 mm plug adapter.

Every time I try to use a helicoil they come out.???

Milton
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